The cheapest round-trip from Oslo to Dublin is about 93 EUR, usually in September 2026; July 2026 is priciest, so booking the low month saves around 64 EUR (~41%). Typical fare ~107 EUR, from 362 priced fares. Flightmussy live data, updated 2026-06-03.
Cheap flights from Oslo (OSL/TRF) to Dublin (DUB). Free, no signup, no ads, no tracking. Compare every airline across 12 months of fares on one heatmap — including low-cost carriers Google Flights often deprioritises.
Cheapest round-trip seen: 93 EUR, usually around September 2026. Typical fare ~107 EUR. Across the year prices range roughly 93–157 EUR — about 41% cheaper in the low season than the peak (July 2026). Carriers on this route include Norwegian, Scandinavian Airlines.
Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-03. Prices change constantly — search live for current fares.
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